.a4_hoch {

width: 210mm;
height: 297mm;
background-color: gray;

}


.a4_quer {

width: 297mm;
height: 210mm;
background-color: gray;

}




.phone_list {
    
    column-count: 2;
    -moz-column-count:2;
    -webkit-column-count:2;
    padding:0;
    margin:0;
    
}


.phone_list li {
    list-style-type: none;
    border-bottom-width: 0.5px;
    border-bottom-style: inset;
    border-bottom-color: #666;
    padding-bottom:2px;
    margin-bottom:2px;
}




.phone_list_left_column  {
    width: 200px;
    display: block; 
    float: left; 
    clear: left;
}



 